You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.2 KiB
74 lines
2.2 KiB
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#include "common/frontend/data_cache.h"
|
|
#include "common/frontend/fbank.h"
|
|
#include "common/frontend/feature-fbank.h"
|
|
#include "common/frontend/frontend_itf.h"
|
|
#include "common/frontend/wave-reader.h"
|
|
#include "common/utils/audio_process.h"
|
|
#include "common/utils/file_utils.h"
|
|
#include "fastdeploy/runtime.h"
|
|
#include "kaldi/util/kaldi-io.h"
|
|
#include "kaldi/util/table-types.h"
|
|
|
|
namespace ppspeech {
|
|
struct ClsNnetConf {
|
|
// wav
|
|
bool wav_normal_;
|
|
std::string wav_normal_type_;
|
|
float wav_norm_mul_factor_;
|
|
// model
|
|
std::string model_file_path_;
|
|
std::string param_file_path_;
|
|
std::string dict_file_path_;
|
|
int num_cpu_thread_;
|
|
// fbank
|
|
float samp_freq;
|
|
float frame_length_ms;
|
|
float frame_shift_ms;
|
|
int num_bins;
|
|
float low_freq;
|
|
float high_freq;
|
|
float dither;
|
|
};
|
|
|
|
class ClsNnet {
|
|
public:
|
|
ClsNnet();
|
|
int Init(const ClsNnetConf& conf);
|
|
int Forward(const char* wav_path,
|
|
int topk,
|
|
char* result,
|
|
int result_max_len);
|
|
void Reset();
|
|
|
|
private:
|
|
int ModelForward(float* features,
|
|
const int num_frames,
|
|
const int feat_dim,
|
|
std::vector<float>* model_out);
|
|
int ModelForwardStream(std::vector<float>* feats);
|
|
int GetTopkResult(int k, const std::vector<float>& model_out);
|
|
|
|
ClsNnetConf conf_;
|
|
knf::FbankOptions fbank_opts_;
|
|
std::unique_ptr<fastdeploy::Runtime> runtime_;
|
|
std::vector<std::string> dict_;
|
|
std::stringstream ss_;
|
|
};
|
|
|
|
} // namespace ppspeech
|